code: def normalize_numpy_image(image: np.ndarray):
      """
      Normalizes numpy image
      """
      return image / np.max(image)
  
imports: import copy
  import os
  import random
  import time
  from typing import List, Optional, Union
  import cv2
  import numpy
  import requests
  from PIL import Image
  from sahi.utils.file import Path
label_desc: Use image node_id 14 for calling a global function with example usage: normalize_numpy_image(image) and returns: unknown